※ Mainly composed of pre-filters and mounting housing. 

※ Simple operation, quick build up a fifiltration environment with MERV 8 fifiltration effificiency grade for user. 

※ Particles ＞2.0 microns could be fifiltered tightly, such as dust, leaves, insects, etc. 

※ Can resist 3.0m/s wind speed and repeatedly clean. 

※ Widely applied to the outdoor environment for air fifiltration before the air inlet access, specially for protecting the data center.